Engine monitoring unit



FIG. 1 is a front elevation view of an engine monitoring unit;

FIG. 2 is a rear elevation view of the engine monitoring unit of FIG. 1;

FIG. 3 is a top plan view of the engine monitoring unit of FIG. 1;

FIG. 4 is a bottom plan view of the engine monitoring unit of FIG. 1;

FIG. 5 is a left side elevation view of the engine monitoring unit of FIG. 1;

FIG. 6 is a right side elevation view of the engine monitoring unit of FIG. 1; and,

FIG. 7 is a perspective view of the engine monitoring unit of FIG. 1.

The broken line showing of *structural matter** is included for the purpose of illustrating non-claimed subject matter and forms no part of the claimed design. 

CLAIM The ornamental design for an engine monitoring unit, as shown and described. 